syzbot

 sign-in | mailing list | source | docs
🐞 Open [1498]
≡ Subsystems
🐞 Fixed [6511]
🐞 Invalid [16556]
⬇ Missing Backports [204]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

Applied filters: Label=subsystems:block (drop)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
possible deadlock in bdev_release block 4 11 13d 56d 27/29 never 8b428f42f3ed nbd: fix lockdep deadlock warning
KASAN: slab-use-after-free Read in disk_add_events fuse block 19 C 4 17d 17d 27/29 never 1df1fc845d22 md: fix create on open mddev lifetime regression
WARNING in bdev_count_inflight_rw block -1 2 49d 49d 28/29 never c007062188d8 block: fix false warning in bdev_count_inflight_rw()
BUG: sleeping function called from invalid context in __xas_nomem (2) block 5 1 53d 49d 28/29 never 0d519bb0de3b brd: fix sleeping function called from invalid context in brd_insert_page()
possible deadlock in blk_mq_freeze_queue_nomemsave block 4 C done 7798 61d 137d 29/29 9d10h 4bb08cf974c5 loop: move lo_set_size() out of queue freeze
possible deadlock in loop_set_status block 4 C done 20143 57d 265d 29/29 9d10h 4bb08cf974c5 loop: move lo_set_size() out of queue freeze
BUG: unable to handle kernel NULL pointer dereference in lo_rw_aio block 10 C 10 105d 113d 29/29 39d f5c84eff634b loop: Add sanity check for read/write_iter
possible deadlock in pcpu_alloc_noprof block 4 C 257 66d 320d 28/29 66d 677bdb7346b6 bcachefs: Fix deadlock
possible deadlock in elv_iosched_store block 4 C 56 81d 140d 28/29 66d 01b91bf14f6d block: don't grab elevator lock during queue initialization
possible deadlock in blk_unregister_queue block 4 29 209d 263d 28/29 101d b769a2f409e7 blktrace: move copy_[to|from]_user() out of ->debugfs_lock
INFO: rcu detected stall in aoecmd_cfg (2) usb block 1 C done 7 351d 464d 28/29 297d 9313d139aa25 usb: gadget: dummy_hcd: execute hrtimer callback in softirq context
KASAN: slab-use-after-free Read in percpu_ref_put block 19 18 317d 388d 28/29 316d 0b50b7313ef2 bcachefs: Fix refcounting in discard path
WARNING in blk_rq_map_user_iov block -1 C done 3546 565d 707d 25/29 504d 13f3956eb568 block: Fix WARNING in _copy_from_iter
WARNING in copy_page_from_iter block -1 C done 1987 573d 885d 25/29 504d 13f3956eb568 block: Fix WARNING in _copy_from_iter
general protection fault in bio_first_folio block 2 C done 683 574d 608d 25/29 563d 7bed6f3d08b7 block: Fix iterating over an empty bio with bio_for_each_folio_all
BUG: unable to handle kernel NULL pointer dereference in __bio_release_pages block 10 C 6 579d 577d 25/29 563d 7bed6f3d08b7 block: Fix iterating over an empty bio with bio_for_each_folio_all
WARNING in blk_mq_start_request block -1 C done 29 631d 647d 25/29 573d 53f2bca26092 block/null_blk: Fix double blk_mq_start_request() warning
kernel BUG in __block_write_begin_int block -1 C done 14 692d 711d 25/29 604d 4aa8cdd5e523 iomap: handle error conditions more gracefully in iomap_to_bh
INFO: task hung in clean_bdev_aliases block 1 C done 201 685d 710d 25/29 604d 381c043233e6 iomap: add a workaround for racy i_size updates on block devices
KASAN: slab-out-of-bounds Read in bio_split_rw block 17 C done 1 778d 774d 23/29 673d 0b7ec177b589 crypto: algif_hash - Fix race between MORE and non-MORE sends
WARNING in blkdev_put (3) block -1 C done 377 786d 790d 23/29 687d c576c4bf9ecf reiserfs: fix blkdev_put() warning from release_journal_dev()
WARNING in blkdev_get_by_dev block -1 C done 45 786d 790d 23/29 687d 985958b8584c block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()
KASAN: user-memory-access Write in zram_slot_lock block 23 C done 3 816d 816d 22/29 776d 3eb96946f0be block: make bio_check_eod work for zero sized devices
WARNING in blkdev_put (2) block -1 C unreliable 250 875d 903d 22/29 799d 428913bce1e6 block: fix wrong mode for blkdev_put() from disk_scan_partitions()
WARNING in _copy_from_iter tipc block -1 C error 32057 887d 981d 22/29 799d 11a4d6f67cf5 tipc: fix kernel warning when sending SYN message
KASAN: use-after-free Read in delete_partition (2) block 19 C done 1 1599d 1599d 22/29 856d b5cfbd35ecca block: check disk exist before trying to add partition
general protection fault in blk_mq_update_nr_hw_queues block 2 C error 16 1000d 1013d 22/29 903d 90b0296ece4b block: fix crash in 'blk_mq_elv_switch_none'
KASAN: use-after-free Read in bio_poll block 19 C done 6 1194d 1194d 22/29 903d 9650b453a3d4 block: ignore RWF_HIPRI hint for sync dio
BUG: sleeping function called from invalid context in blk_mq_release block 5 1 1233d 1233d 22/29 903d d578c770c852 block: avoid calling blkg_free() in atomic context
KASAN: use-after-free Read in setup_rw_floppy block 19 3 1274d 1290d 22/29 903d 233087ca0636 floppy: disable FDRAWCMD by default
memory leak in blk_iolatency_init (2) block cgroups 3 C 131 1045d 1252d 22/29 903d daaca3522a8e block: release rq qos structures for queue without disk
upstream boot error: general protection fault in enqueue_entity block -1 1 1095d 1095d 22/29 903d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
general protection fault in submit_bio_checks block btrfs 2 C done 1258 1270d 1292d 22/29 903d 78e3437450be block: call bio_associate_blkg from bio_reset
possible deadlock in blkdev_put (3) block exfat 4 C 870 1180d 1252d 22/29 903d d292dc80686a loop: don't destroy lo->workqueue in __loop_clr_fd
upstream boot error: BUG: unable to handle kernel paging request in blk_mq_get_tag block -1 1 1097d 1097d 22/29 903d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
WARNING in blk_mq_release block -1 C error 11 1084d 1102d 22/29 903d aa0c680c3aa9 block: Do not call blk_put_queue() if gendisk allocation fails
KASAN: use-after-free Read in blk_mq_sched_free_rqs block 19 C error 8 1151d 1200d 22/29 903d 50e34d78815e block: disable the elevator int del_gendisk
upstream boot error: general protection fault in blk_mq_alloc_and_init_hctx block -1 1 1097d 1097d 22/29 903d 9993a4f989c7 virtio: Revert "virtio: find_vqs() add arg sizes"
memory leak in blk_mq_init_tags block usb 3 C 2 1230d 1237d 22/29 903d 03252259e18e scsi: sd: Clean up gendisk if device_add_disk() failed
general protection fault in __loop_clr_fd block 2 C done 5702 1960d 1988d 20/29 1184d 87579e9b7d8d loop: use worker per cgroup instead of kworker
memory leak in blk_iolatency_init block cgroups 3 C 833 1256d 1432d 20/29 1256d 6f5ddde41069 blkcg: fix memory leak in blk_iolatency_init
possible deadlock in __loop_clr_fd (3) block 4 2972 1311d 1374d 20/29 1256d 6050fa4c84cc loop: don't hold lo_mutex during __loop_clr_fd()
KASAN: use-after-free Read in srcu_invoke_callbacks block 19 syz error 4 1300d 1312d 20/29 1256d 850fd2abbe02 block: cleanup q->srcu
KCSAN: data-race in sbitmap_queue_clear / sbitmap_queue_clear (3) block 6 5 1384d 1390d 20/29 1256d 9f8b93a7df4d sbitmap: silence data race warning
general protection fault in set_task_ioprio block 2 C done 19 1332d 1334d 20/29 1256d a957b61254a7 block: fix error in handling dead task for ioprio setting
linux-next boot error: general protection fault in blk_mq_free_request block -1 6 1396d 1396d 20/29 1256d e0d78afeb8d1 block: fix too broad elevator check in blk_mq_free_request()
KASAN: use-after-free Read in disk_release_events fuse exfat block 19 syz inconclusive 1 1344d 1340d 20/29 1256d 99d8690aae4b block: fix error unwinding in device_add_disk
WARNING in nbd_dev_add (2) block -1 4 1373d 1370d 20/29 1256d 278167fd2f8f block: add __must_check for *add_disk*() callers
KASAN: use-after-free Read in blk_mq_sched_tags_teardown block usb 19 C done 6 1393d 1391d 20/29 1256d 8bdf7b3fe1f4 blk-mq-sched: Don't reference queue tagset in blk_mq_sched_tags_teardown()
BUG: unable to handle kernel paging request in __blk_mq_alloc_requests io-uring block 19 C unreliable 107 1375d 1383d 20/29 1256d a22c00be90de block: assign correct tag before doing prefetch of request
possible deadlock in blkdev_put (2) exfat block 4 C done 502 1256d 1357d 20/29 1256d 322c4293ecc5 loop: make autoclear operation asynchronous
INFO: task can't die in blk_mq_freeze_queue_wait block 1 221 1361d 1370d 20/29 1256d 95febeb61bf8 block: fix missing queue put in error path
INFO: task can't die in __bio_queue_enter block 1 185 1362d 1369d 20/29 1256d 10f7335e3627 blk-mq: don't grab ->q_usage_counter in blk_mq_sched_bio_merge
KASAN: use-after-free Read in bdev_free_inode block 19 syz error 7 1406d 1426d 20/29 1256d 06cc978d3ff2 block: genhd: fix double kfree() in __alloc_disk_node()
WARNING in blk_rq_append_bio block usb -1 C done 6 1586d 1551d 20/29 1375d cbb749cf377a block: remove an incorrect check from blk_rq_append_bio
possible deadlock in __loop_clr_fd (2) block ext4 4 C unreliable 6977 1375d 1500d 20/29 1375d 1c500ad70638 loop: reduce the loop_ctl_mutex scope
KASAN: use-after-free Read in disk_part_iter_next (2) block 19 C done 327 1597d 1615d 20/29 1375d e82fc7855749 block: don't create too many partitions
INFO: task hung in del_gendisk block 1 C done 5 1463d 1496d 20/29 1375d 68c9417b193d nbd: do del_gendisk() asynchronously for NBD_DESTROY_ON_DISCONNECT
KASAN: use-after-free Read in blk_mq_exit_sched block usb 19 C done 9 1514d 1528d 20/29 1375d f0c1c4d2864e blk-mq: fix use-after-free in blk_mq_exit_sched
WARNING in nbd_dev_add block -1 C inconclusive 131 1376d 1635d 20/29 1375d b1a811633f73 block: nbd: add sanity check for first_minor
general protection fault in blk_mq_run_hw_queues block 11 C unreliable 305 1455d 1502d 20/29 1375d 16ad3db3b24c nbd: fix order of cleaning up the queue and freeing the tagset
WARNING: suspicious RCU usage in kernfs_find_and_get_ns block 4 1 1522d 1522d 20/29 1375d 3066820034b5 rcu: Reject RCU_LOCKDEP_WARN() false positives
general protection fault in do_blk_trace_setup block trace 2 C done 25 1450d 1452d 20/29 1375d 1d1cf156dc17 sg: pass the device name to blk_trace_setup
possible deadlock in bd_register_pending_holders block 4 3 1381d 1435d 20/29 1375d dfbb3409b27f block: genhd: don't call blkdev_show() with major_names_lock held
general protection fault in wb_timer_fn block exfat 2 C done 60 1452d 1462d 20/29 1375d d152c682f03c block: add an explicit ->disk backpointer to the request_queue
KASAN: use-after-free Read in disk_part_iter_next block 19 C unreliable 243 1620d 1708d 19/29 1620d aebf5db91705 block: fix use-after-free in disk_part_iter_next
KMSAN: kernel-infoleak in scsi_cmd_ioctl block 9 131 1737d 1810d 15/29 1733d 6d53a9fe5a19 block/scsi-ioctl: Fix kernel-infoleak in scsi_put_cdrom_generic_arg()
KASAN: use-after-free Read in delete_partition block 19 C done done 3 1809d 1806d 15/29 1733d 08fc1ab6d748 block: fix locking in bdev_del_partition
KASAN: use-after-free Read in bdev_del_partition block 19 C done 1 1810d 1810d 15/29 1786d 08fc1ab6d748 block: fix locking in bdev_del_partition
INFO: task hung in blkdev_issue_flush (2) block 1 C done error 3 2077d 2236d 15/29 1872d 2b5c8f0063e4 nbd: replace kill_bdev() with __invalidate_device() again
memory leak in bio_clone_fast block 3 C 1 2194d 2194d 15/29 1872d 7b6620d7db56 block: remove REQ_NOWAIT_INLINE
WARNING: refcount bug in blk_mq_free_request (2) block 13 C done error 5 2202d 2202d 15/29 1872d de6346ecbc8f nbd: protect cmd->status with cmd->lock
KASAN: null-ptr-deref Write in blk_mq_map_swqueue block 12 C done 3 1968d 1968d 15/29 1877d d0930bb8f46b blk-mq: Fix a recently introduced regression in blk_mq_realloc_hw_ctxs()
WARNING in __blk_mq_delay_run_hw_queue block -1 C done error 6 2036d 2141d 15/29 1923d 6e66b4939241 blk-mq: Keep set->nr_hw_queues and set->map[].nr_queues in sync
KASAN: use-after-free Read in percpu_ref_switch_to_atomic_rcu block 19 5 1994d 2016d 15/29 1948d c1e2148f8ecb io_uring: free fixed_file_data after RCU grace period
KCSAN: data-race in process_srcu / synchronize_srcu block 6 112 2017d 2111d 15/29 2005d 844a378de337 srcu: Apply *_ONCE() to ->srcu_last_gp_end
BUG: workqueue lockup (4) block -1 C 47 2098d 2504d 15/29 2073d 7e7c005b4b1f rtc: disable uie before setting time and enable after
WARNING in blk_mq_sched_free_requests (2) block -1 7 2148d 2153d 13/29 2131d 284b94be1925 blk-mq: move lockdep_assert_held() into elevator_exit
WARNING in blk_mq_sched_free_requests block -1 C done 4 2255d 2257d 12/29 2228d c326f846ebc2 blk-mq: remove WARN_ON(!q->elevator) from blk_mq_sched_free_requests
KASAN: use-after-free Read in blk_mq_free_rqs block 19 C error 3481 2257d 2262d 12/29 2235d c3e2219216c9 block: free sched's request pool in blk_cleanup_queue
general protection fault in loop_validate_file (2) block 2 3 2340d 2343d 11/29 2328d f7c8a4120eed loop: access lo_backing_file only when the loop device is Lo_bound
WARNING in __flush_work block -1 C 402 2383d 2390d 11/29 2354d 2e3c18d0ada1 block: pass no-op callback to INIT_WORK().
INFO: task hung in lo_ioctl block 1 47 2689d 2805d 11/29 2354d 04906b2f542c blockdev: Fix livelocks on loop device
general protection fault in relay_open_buf block trace 2 C 287 2387d 2389d 11/29 2354d 2c1cf00eeacb relay: check return of create_buf_file() properly
general protection fault in debugfs_create_files block 2 C 111 2387d 2389d 11/29 2354d 36991ca68db9 blk-mq: protect debugfs_create_files() from failures
general protection fault in lo_ioctl (2) block 2 syz 2 2663d 2662d 11/29 2404d 310ca162d779 block/loop: Use global lock for ioctl() operation.
possible deadlock in blkdev_reread_part block 4 C 5736 2423d 2844d 11/29 2404d 0da03cab87e6 loop: Fix deadlock when calling blkdev_reread_part() 85b0a54a82e4 loop: Move loop_reread_partitions() out of loop_ctl_mutex
WARNING: locking bug in loop_control_ioctl block 4 C 4018 2443d 2471d 11/29 2404d 628bd8594709 loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
INFO: task hung in loop_control_ioctl block 1 4 2500d 2694d 11/29 2404d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
INFO: task hung in lo_open (2) block 1 10 2465d 2694d 11/29 2404d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
INFO: task hung in lo_release block 1 1 2585d 2585d 11/29 2404d 1dded9acf6dc loop: Avoid circular locking dependency between loop_ctl_mutex and bd_mutex
BUG: unable to handle kernel NULL pointer dereference in blk_mq_map_swqueue block 10 C 8 2495d 2515d 11/29 2468d e01ad46d53b5 blk-mq: fallback to previous nr_hw_queues when updating fails
upstream boot error (2) block -1 1 2481d 2481d 11/29 2468d 153fcd5f6d93 block: brd: associate with queue until adding disk
INFO: task hung in blk_queue_enter block 1 C 1595 2594d 2666d 8/29 2594d cd4a4ae4683d block: don't use blocking queue entered for recursive bio submits
INFO: rcu detected stall in blkdev_ioctl block 1 C 249 2625d 2799d 8/29 2594d d2ac838e4cd7 loop: add recursion validation to LOOP_CHANGE_FD
INFO: task hung in blk_freeze_queue block 1 C 188 2596d 2746d 8/29 2594d d2ac838e4cd7 loop: add recursion validation to LOOP_CHANGE_FD
WARNING: lock held when returning to user space! block 4 C 40 2673d 2688d 5/29 2656d bdac616db9bb loop: fix LOOP_GET_STATUS lock imbalance
KASAN: use-after-free Read in disk_unblock_events block 19 C 65 2740d 2846d 5/29 2685d 897366537fb6 genhd: Fix use after free in __blkdev_get()
WARNING in tracepoint_probe_unregister block trace -1 C 115 2714d 2840d 4/29 2713d a6da0024ffc1 blktrace: fix unlocked registration of tracepoints
WARNING in tracepoint_probe_register_prio block trace -1 C 830 2714d 2849d 4/29 2713d a6da0024ffc1 blktrace: fix unlocked registration of tracepoints
WARNING: kmalloc bug in relay_open_buf block trace -1 C 10 2731d 2747d 4/29 2727d 88913bd8ea2a kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
KASAN: double-free or invalid-free in relay_open block trace 22 C 106 2747d 2845d 4/29 2741d a1be1f3931bf kernel/relay.c: revert "kernel/relay.c: fix potential memory leak"
possible deadlock in blk_trace_remove block trace 4 5 2819d 2826d 3/29 2808d 2967acbb257a blktrace: fix trace mutex deadlock
WARNING in kmalloc_slab (2) trace block -1 C 2478 2835d 2852d 3/29 2835d 864e2a1f8aac ipv6: flowlabel: do not leave opt->tot_len with garbage